高氯化物 的英文怎麼說
中文拼音 [gāohuàwù]
高氯化物
英文
perchloride-
Determination of compounds and products based on vingl chloride homopolymers and copolymers to evolve hydrogen chloride and any other acidic products at elevoted temperatures - congo red method
以氯乙烯均聚和共聚物為主的共混物及製品在高溫時放出氯化氫和任何其它酸性產物的測定剛果紅法Plastics. determination of the tendency of compounds and products based on vinyl chloride homopolymers and copolymers to evolve hydrogen chloride and any other acidic products at elevated temperatures. part 1 : congo red method
塑料.化合物聚乙烯共聚物基產品衍化為氯化氫的共聚物及高溫下的其他酸性產品的傾向性測定.第1部分:剛果紅測定法As to the separation of p - xylene / m - xylene, in order to blend polymer hydrophobe with p - cd which is preferential to adsorb p - xylene, etherified p - cd was synthesized using benzyl chloride ( phch2cl ). the influences of etherification conditions on the reaction conversion and the degree of substitution of etherified p - cd were investigated. the reaction conversion increases with the increasing of molar ratio of phcr ^ cl : p - cd and the concentration of p - cd
對于px mx體系的分離,為使對px具有優先絡合能力的一環糊精( cd )能夠與油溶性高分子共混,本文採用williamson合成法運用氯化芐( phch _ 2cl )使-環糊精( - cd )醚化,並由元素分析結果,計算出醚化產物的取代度和轉化率,系統地考察了反應條件對轉化率和取代度的影響。The main study in this paper included as follows : the content and distribution of heavy metals in sediments and benthic organisms from the sewage stream in guangzhou city ; the acute toxicity and joint toxicity of mercury and selenium to swordtail fish ( xiphophorus helleri ) ; the damage of mercury to the indexes of antioxidant system in the gills and livers in swordtail ( including the measurement of the activities of total antioxidative capacity [ t ~ aoc ], superoxide dismutase [ sod ], glutathione peroxidase [ gsh - px ] and the concentration of malondiald - ehyde [ mda ] ) and the relief effects of selenium on it, as well as the physiological damage of mercury on the tissues, namely : the antagonistic effect of na + - k + ~ atpase activity on the tissues between selenite and mercury, and the ultrastructural damage under the exposure of mercury
研究內容主要有:廣州市河涌沉積物及底棲生物體內重金屬含量及評價;汞和硒對劍尾魚的急性毒性和聯合毒性及安全濃度的評價;汞對劍尾魚鰓和肝臟中抗氧化系統的毒性,包括對總抗氧化能力、超氧化物歧化酶、谷胱甘肽過氧化物酶活力及丙二醛含量的測定及硒對其保護作用;汞對劍尾魚組織生理毒性即:汞對na ~ + - k ~ + atpase活力的影響及硒的保護作用和汞和對劍尾魚組織超微結構的損傷等。以高氯酸?硝酸消化法和火焰原子吸收分光光度法測定了廣州市河涌沉積物和底棲生物中重金屬含量。A novel ring - enlargement oxidation of polyphenyl substituted cyclopentadienes in air ( or molecular oxygen ) promoted by perchloric acid was described, in which an oxygen atom was inserted into the cyclopentadiene - ring, forming a six - membered pyrylium salts
摘要報導了空氣(或氧氣)存在的條件下,由高氯酸引發多苯基取代環戊二烯發生新穎的碳碳鍵斷裂擴環反應,在此反應中,氧原子插人到環戊二烯環中形成相應的六元環吡喃鹽類化合物。Thermochemical study of a mixed ligand complex of lanthanum perchlorate with glycine and l - alanine
高氯酸鑭和甘氨酸及丙氨酸混配型配合物的熱化學研究When the two reactants were simply mixed by crush, they reacted violently and produced carbon spheres with a diameter of 50 - l00nm and sodium chloride ( nacl ) was encapsulated within the outer amorphous carbon shells, which could be confirmed by sem and tem. by annealing at 1400 ? to drive the encapsulated nacl away, hollow carbon spheres were left with a novel mesoporous structure, as presented in hrtem
實驗中將兩種反應物通過直接擠壓混合后加熱反應,得到的無定型球狀碳材料經tem照片證實直徑為50 - 100納米,而且中間包裹氯化鈉( nacl )顆粒; xrd等結果顯示,高溫退火併徹底清除nacl后形成的中空碳球已經部分石墨化。Scientists discovered that high flying supersonic jet aircraft, atomic weapons testing, chemicals such as cfcs chlorofluorocarbons and halons are among the first of the culprits
科學家們發現:高飛的超音波噴射機原子武器試爆以及cfc chlorofluorocarbon氟氯碳化物和海halon全鹵化碳氫化合物都會破壞臭氧層!The results of the experimental tests show that nh4cl and k2hpo4, kh2po4 are the most available nutrents to our isolates when they are degrading oils. the most suitable experinment condition is : temperature being 30 c, initial ph being 7 - 8, the shaking rate of the culture flasks is 180 r / min, the concentration of nacl is 1 %. the biodegradation results have shown that our 6 isolates have the effective degradation capability to crude oil ; within 6 days the transforing rate of oil by each single strain is more than 60 %
本研究分離出的6株菌,初步鑒定結果為: sy1為微桿菌屬、 sy2為諾卡氏菌屬、 sy3和sy5為假單胞菌屬、 sy4和sy6為芽孢桿菌屬;實驗結果表明, 6菌株的最佳氮源為氯化銨( nh _ 4cl ) ,最佳磷源為磷酸氫二鉀和磷酸二氫鉀的混合物,最適生長條件為:溫度為30 ,初始ph值為7 8 ,搖床轉速為180r min ,鹽( nacl )濃度為1 ;通過降解實驗得出6株菌對原油都有較強的降解能力,單一菌株在5天後的原油降解率都高於60 , 6株菌對原油的生物降解反應符合一級反應動力學特徵。A super acylation catalyst, 4 - dimethylamino pyridine ( dmap ), was prepared and used to synthesize cholesteryl ester compounds. four kinds of cholesteryl ester compounds such as cholesteryl p - alkoxyl benzoate, cholesteryl dicarboxylate, cholesteryl lumequeic ester and coattail - like cholesteryl ester were synthesized by acylation method and super acylation catalyst method. chemical structures and liquid crystal behaviors of the synthesized samples have been characterized by using element analysis, ftir, dsc and polarized microscopy with a hot stage
本文合成了高效酰化催化劑4 -二甲基氨基吡啶( 4 - dimethylaminopyridine , dmap ) ,採用酰氯化法和高效酰化催化劑法分別合成了對烷氧基苯甲酸膽甾醇酯、對稱脂族二羧酸膽甾醇酯、烯酸膽甾醇酯及燕尾型膽甾醇酯四類膽甾醇酯衍生物,並進行了化學結構和液晶性能的表徵。Besides, scan rate and cycle period also affect the result ; co - deposition of dualistic oxide is a focus of research, as an element in the same group, ir is selected. deposition rate of composition is decreased by the adding of ir composition, and when the proportion of ir exceeded 50 %, composition procession can be ceased. but cooperation of ir and ru oxide can highly increase the specific capacitance of active material ; annealing treatment under a certain temperature can help to change the hydrate ru composition into mixture state ru oxide, accordingly increase the stabilization of active material
研究表明:電解液的配製過程中,氯化釕濃度、溶液ph值、陳化時間、溶液溫度對電鍍效果均有影響,其中溶液ph值是最主要的影響因素;在儀器的使用條件探索中,理論結合實驗確定了本電鍍液體系循環伏安電勢窗的理想范圍,並發現循環伏安掃描速度和掃描周期對電鍍結果也有較大影響;混合氧化物的共沉澱是目前研究熱點,在此選用與釕同一族的銥作為共沉澱元素,銥的加入會阻礙氧化物的沉積速度,銥的比例超過50 %會使沉積作用停止,但是二元氧化物的協同作用使沉積的活性物質比容量大大提高;一定溫度下退火后處理作用會使水合釕化物轉變成混合價態的氧化釕,從而提高活性物質的穩定性。Gas chromatography - mass spectrometry ( gc - ms ) analyses showed that both potassium permanganate and chlorine could oxidate the organic matters with unsaturated functional groups into those with carboxyl, hydroxyl and aldehyde. and it was further revealed that after preoxidation by potassium permanganate, the sorts of organic matters were reduced remarkably, however, chlorination leaded to increase of the sorts of orgnic matters and brought some chloro - organics such as chlorobenzene, chlorophenol, and trichloro - ethane
通過色譜-質譜聯用( gc - ms )評價分析了高錳酸鉀和氯對有機物結構的改變,高錳酸鉀和氯均將原水中的一些不飽和性有機物氧化分解為一些含氧基團的有機物,如羧酸類、醇類和醛等有機物,但預氯化會在水中出現一些鹵代物,鹵代產物不僅出現在苯環上,而且出現在鏈烴上。Recently, as an advanced and eco - friendly method of powder preparation, freeze - drying has been developing quickly. the ultrafine ni powder with the average size of 50nm was prepared by freeze - drying form the niso4 and naoh and was studied by means of xrd, ir, fesem, tem, and dsc. the catalysis of nickel powders to nh4clo4 and how the precursor forms and the processes of the amorphous precursor to the final nickel powders are discussed
本論文以分析純niso4 、 naoh為原料,採用冷凍乾燥技術成功的制備了50nm左右的球狀超細鎳粉,通過xrd 、 ir 、 fesem 、 tem 、 dsc等材料現代分析手段對產物進行了分析和表徵,研究了超細鎳粉對高氯酸銨熱分解的催化活性、前驅體的形成以及非晶態金屬鹽到晶態超細鎳粉的轉變過程。This dissertation focuses on how to develop a high performance damping mechanism based on multi - energy transitions, which is independent or little dependant with the viscoelasticity of polymer matrix. three sections are mainly included in this dissertation as follows : chlorinated polyethylene ( cpe ) / piezoelectric ceramic ( pzt ) / vapor grown carbon fiber ( vgcf ) composites ; cpe / 2, 2 ' - methylene - bis - ( 4 - methyl - 6 - cyclohexylphenol ) ( zkf ) / vgcf composites ; organic hybrids made from cpe and small molecules cpe / pzt / vgcf composites : the damping composites of multi - energy transitions mechanism were produced by mixing pzt and vgcf into cpe. in this system, the mechanical vibration energy that was transmitted to cpe was found to convert into joule ' s heat through conduction paths between vgcf in the polymer matrix, so the vibration fades away
本論文主要包括三個方面的研究內容: ?氯化聚乙烯( cpe ) /壓電陶瓷( pzt ) /氣相生長碳纖維( vgcf )復合材料; ? cpe /雙[ ( 2 -羥基- 3 -環己基- 5 -甲基) -苯基]甲烷( zkf ) / vgcf復合材料; ? cpe基有機小分子混雜型復合材料cpe / pzt / vgcf減振復合材料:利用壓電和導電填料填充高聚物基體,當復合材料受到機械振動時,通過高聚物基體將機械振動能傳遞到壓電陶瓷粒子上,利用壓電陶瓷的壓電效應,將機械能轉換成電能,則電流在導電粒子產生的迴路中流動,由於導電迴路具有一定的電阻,所以電能又轉變成熱能耗散掉,從而起到減振的目的。Benzyl chloride were used for extracting genomic dna of aspergillus. niger 14, about 1. 5kb specific fragment was obtained from genomic dna of aspergillus. niger 14 by pcr amplification with primers ( forward primer5 " ataggcatcatgggcgtctct3 " reverse - primer5 " cagctaagcaaaacactccgc 3 designed according to the known sequences of the phytase gene in the gene bank and pyrobest ? dna polymerase, after ligated with pmd18 - tvector, transformated into e. colidh5a competent cell successfully. 3. nucleotide sequence analysis of the cloned fragment revealed the presence of the whole phya gene in pcr product
用氯化芐法提取了aspergillus . niger14 ~ #基因組dna ,根據genebank中已知的黑麴黴植酸酶基因序列設計出一對特異性引物(上游引物: 5 ataggcatcatgggcgtctc3下游引物: 5 cagctaagcaaaacactccgc3 ) ,採用pyrobest ~ ( tm ) dnapolymerase (高保真dna聚合酶) ,通過pcr方法從aspergillus . niger14 ~ #基因組dna中擴增出了預期的1 . 5kb左右的特異性產物,將其與pmd18 - tvector連接后,轉化e . colidh5菌株的感受態細胞,經質粒抽提、酶切鑒定,確認該目的產物已得到成功克隆。Nano - mno2 whiskers were sucessfully synthesized by low heating solid redox reaction using potassium permanganate and manganese chloride, and offered one usful referenced method for synthesize whiskers
首次利用高錳酸鉀和氯化錳之間的低熱固相氧化還原反應成功地合成出了納米二氧化錳晶須,為合成同類物質提供了一種行之有效的參考方法。Plastics - determination of the tendency of compounds and products based on vinyl chloride homopolymers and copolymers to evolve hydrogen chloride and any other acidic products at elevated temperatures - ph method
塑料.化合物和氯乙烯共聚物均聚物在高溫中分解出氯化氫和其他酸性物的趨勢測定. ph值法A process for preparing m - dichlorobenzene by atmospheric selective transfer reaction of p - dichlorobenzene in the presence of alcl3 and h2o is described. effect of selectivity of the reaction is discussed. the best technological conditions are determined
闡述了常壓下對二氯苯在催化劑無水三氯化鋁及助催化劑水的存在下發生轉位反應,高選擇地制取間二氯苯的工藝過程;討論了影響產物選擇性的有關因素,確定出適宜的工藝條件。For the first time, this approach is applied to the analysis of small molecules, and initial systematic investigations revealed that the migration behavior as well as the detection sensitivity strongly depends on the matrix ( e. g., high concentrations of chloride )
這種技術第一次用於分析小分子,而最初的系統調查研究顯示遷移行為和檢測靈敏度都強烈的依賴基質(如高濃度的氯化物) 。On the base of experimental results, the compositions of bath, containing fm as a main complexing agent and 2g / l rare earth chlorides in it, as well as the technical conditions are determined. high quality coatings with low, middle and high phosphorus can be obtained by using this bath
通過對實驗結果的綜合分析,確定了鍍液配方(其中含有fm添加劑作為主絡合劑及2g l的稀土氯化物)及工藝條件,可以獲得質量良好的低磷、中磷和高磷鍍層。分享友人